After the examination,my teacher told me that failure _______the mother of success.
#102951
A
was
B
is
C
be
D
been
推荐题目
—When are you leaving for Guangdong?—My plane        at six.
#99376
A
took off
B
would take off
C
will take off
D
takes off
--- Are we about to have dinner?  --- Yes, it _______ in the dining room. 
#102786
A
is serving
B
serves
C
is being served
D
served
Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane _____ on Sunday. 
#101752
A
leaves; takes off
B
is leaving; takes off
C
is leaving; is taking off
D
leaves; is taking off